Portable cartridge vaporizer



FIG. 1 a front perspective view of our portable cartridge vaporizer;

FIG. 2 is another front perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is an elevational view of a right side thereof;

FIG. 6 is an elevational view of a left side thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines immediately adjacent shaded surfaces depict boundaries and form no part of the claim; all other broken lines are for purposes of illustrating portions of the portable cartridge vaporizer that form no part of the claimed design. 

CLAIM The ornamental design for a portable cartridge vaporizer, as shown and described. 